IBM SAN Volume Controller 2145-CG8, Hardware Installation Manual

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4. Remove the protective label from the internal battery connector (shown in
Figure 14).
5. Connect the internal battery connector (shown in Figure 15 on page 23). Each
end of the keyed connector has two wires: one red (+) and one black (−). Align
the connector so that the two red wires are joined together and the two black
wires are joined together.
Note: A small amount of arcing might occur when connecting the batteries.
This is normal and does not damage the unit or present any safety concerns.
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Figure 13. Removing the 2145 UPS-1U front panel
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Figure 14. The 2145 UPS-1U internal battery connector with protective tape
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SAN Volume Controller: Model 2145-CG8 Hardware Installation Guide